Cleaning robot



FIG. 1 is a right side perspective view of a cleaning robot showing our new design;

FIG. 2 is a left side perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a top plan view thereof.

The broken line portions are included to show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a cleaning robot, as shown and described. 